Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 21 - Nuclear Chemistry - Exercises - Page 947: 21.22b

Answer

Carbon - 14 is the radioisotope. It has too high of a neutron to proton ratio to fall into the band of stability.

Work Step by Step

Carbon - 12 is a stable isotope of Carbon. It has a neutron-proton ratio of 1, which is inside the band of stability.
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